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Weather extremes

How extreme does Tallinn's weather get?

The hottest, coldest, wettest and snowiest days Tallinn has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 50+ years of daily weather observations (1971–present), from the Tallinn station 11 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Tallinn has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
94°F Jul 30, 1994

That is about 21°F hotter than a normal July afternoon in Tallinn (typical high near 73°F).

The three most extreme on record

1 94°F Jul 30, 1994
2 94°F Jul 29, 2018
3 94°F Jul 30, 2018
❄️ Coldest night
-26°F Dec 31, 1978

About 54°F colder than a normal December night in Tallinn (typical low near 28°F).

The three most extreme on record

1 -26°F Dec 31, 1978
2 -25°F Jan 10, 1987
3 -23°F Jan 11, 1987
🌧️ Most rain in one day
7.05 in Jun 8, 1995

More rain in a single day than Tallinn usually gets in the whole month of June (typical June total about 2.5 in).

The three most extreme on record

1 7.05 in Jun 8, 1995
2 5.51 in Mar 11, 2016
3 5.51 in Mar 13, 2016

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-50°-30°-10°10°30°50°70°90°110° all-time high 94°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Tallinn's record heat sits well above even a hot day for the season — July's 94°F is about 21°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Tallinn's warmest days reach the low 70s°F and its coldest nights drop to the mid-20s°F. But across the record it has gone as high as 94°F and as low as −26°F. A single day has delivered over 7 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 14 years of daily observations at Tallinn, a weather station, about 11 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →